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Amended double star tips
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10-02-2017, 07:29 PM
bigjoe
(JOSEPH)
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Join Date: Nov 2010
Location: sydney
Posts: 1,363
re aperture
I should add that nearly all the doubles I mentioned in my other post, should be well within the reach of a 90mm-100mm scope with good collimated optics , thats reached equilibrium , under good seeing, and well above the horizon.
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